Dr. B. Bressler, the principal investigator, is a gastroenterologist with an expertise in inflammatory bowel disease (IBD). Dr. Bressler will review all of the available clinical parameters including history and physical exam findings, ileocolonoscopy findings if available and laboratory parameters including bloodwork and Fecal Calprotectin levels. The gastroenterologist will not be blinded to the subject's identity. Based on his review of the above parameters, he will rate the presence of small bowel CD as definitely active, probably active, inactive (remission) or absent.